but, it's all about the future with technology, it's all about their growth. >> reporter: ottelini's big miss on mobile computing has made investors question intel's future. suzanne pratt, "n.b.r.," new york. >> tom: u.s. stocks staged their best single session rally in weeks. the s&p 500 was strong from the opening bell, finishing at its highest price of the session. up 2%. trading volume was 707 million shares on the big board. just under 1.8 billion on the nasdaq. fueling today's rally: the materials sector jumped 2.9%, technology bounced back 2.8%, and telecommunications was up 2.3%. a big help today was the biggest publicly traded company in the u.s.; apple. due to its size and influence in the s&p 500 and nasdaq, when apple moves, so do those indices. and today that was higher. apple jumped 7.2%, rallying more than 38 dollars per share. this was apple's second best single day gain this year. apple had been sinking since hitting an all time high in september. with today's gain, its down just over 19% from that record. we reported on the strong existing home sales report earlier.